Home / 25,335.15-37,993.61-8,690.87

Finding the Fourth Proportional to 25,335.15, 37,993.61 and 8,690.87

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Solution

The fourth proportional to 25,335.15, 37,993.61 and 8,690.87 is: 13,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,335.15 : 37,993.61 = 8,690.87 : x
  2. Step 2: Convert to fraction form
    25,335.15/37,993.61 = 8,690.87/x
  3. Step 3: Cross multiply
    25,335.15x = 37,993.61 × 8,690.87
  4. Step 4: Simplify right side
    25,335.15x = 330,197,291.92
  5. Step 5: Solve for x
    x = 330,197,291.92/25,335.15
  6. Step 6: Final answer
    x = 13,033.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.